<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>图形</title>
    <link rel="stylesheet" href="2.css">
</head>
<body>
    
    <div id="one_1"></div>
    <div id="one"></div>
    <div class="yuan">    </div>
    <div id="yuan_2"> </div>
    <div id="twe"></div>
    <div id="twe_1"></div>
    <div id="sanjiao"> </div>
    <div id="sanjiao_1"></div>
    <div id="sanjiao2"> </div>
    <div id="sanjiao_2"></div>
   
</body>
</html>